class_docstr: Get data directly from caltech101 dataset from Internet.
class_docstr_tok: ["Get","data","directly","from","caltech101","dataset","from","Internet","."]
code: def _get_data(self, position):
      image = self._images[self._indexes[position]]
      label = self._labels[self._indexes[position]]
      return (image, label)
  
file_path: nnabla/tutorial/caltech101_data.py
imports: import numpy
  import tarfile
  import zipfile
  from io import BytesIO
  from nnabla.logger import logger
  from nnabla.utils.data_iterator import data_iterator
  from nnabla.utils.data_source import DataSource
  from nnabla.utils.data_source_loader import download, get_data_home
  from nnabla.utils.image_utils import imresize, imread
label_desc: Use image node_id 2 for calling the Caltech101DataSource obj's underlying member method code with example usage: obj._get_data(position) and returns: image,  label